Table 2.

Focus group discussion and key informant interview questions and dimensions

A. Focus group discussions

1.The first question is about the foods that you eat or buy. When you buy these foods, how do you decide what to buy or eat? Comprehension, practices

2.These days, people talk a lot about nutrition and healthy foods. Could you tell me what these terms mean to you and what you know about them? Knowledge, attitudes

3.Have you heard or do you know about processed foods? What do you know about them? Knowledge

4.Now that we have discussed nutrition, healthy foods, unhealthy foods and processed foods, can you explain why these ideas are important to you when you buy or consume foods? Attitudes, practices

5.Now we are going to talk about the label that is called the traffic light. The traffic light on packages of processed foods was instituted in Ecuador in 2014. Could you please tell me what you have seen or heard about it? (Includes exercise with cards that have different versions of the traffic light label.) Attitudes, practices

6.I’m going to show you a card with a different label. Could you tell me what you think of it? (Exercise with cards with an example of the GDA label.) Knowledge, attitudes

7.Now I’d like to hear your recommendations about promoting healthy consumption. Comprehension, attitudes

8.What other messages have you seen on food packages? Knowledge

9.Do you think it is important to include any other information on the packages? Attitudes

10.Is there any other point about the traffic light label that you would like to talk about? Comprehension, attitudes

B. Key informant interviews

1.What are the perceptions of your company regarding the traffic light label? Attitudes, practices

2.What are the perceptions with regard to the preferences and behaviour of your customers and the public in general? Attitudes

GDA, Guideline Daily Amount.